JP6190431B2 - Dissolved hydrogen water generator - Google Patents

Description

  The present invention relates to a dissolved hydrogen water generator that can be used in, for example, a home or a factory.

  Since hydrogen has a strong reducing power, it can detoxify active oxygen, which is a causative agent for aging and disease. An electrolytic water purifier that generates water containing hydrogen (hereinafter referred to as “dissolved hydrogen water”) is disclosed in Japanese Patent Application Laid-Open No. 2010-207691.

  As shown in FIG. 6, the electrolytic water purifier includes a reverse osmosis membrane filter 101, a cold water tank 102 connected to the reverse osmosis membrane filter 101 via an ore filter 105 and a reserve tank 106, and the reverse osmosis membrane. An electrolyzer 103 connected between the filter 101 and the ore filter 105 via an ion exchange resin filter 107, and a circulation pump 104 to which hydrogen generated by the electrolyzer 103 is supplied via a carbon air filter 108. I have.

  On the upstream side of the reverse osmosis membrane filter 101, a sediment filter and a carbon filter (not shown) are provided, and water that passes through the sediment filter and the carbon filter (hereinafter referred to as “raw water”) is reverse osmosis. It is supplied to the membrane filter 101. A portion of this raw water passes through the reverse osmosis membrane filter 101 to remove impurities such as heavy metals, various bacteria, and organic compounds to become pure water, and then the chilled water passes through the ore filter 105 and the reserve tank 106. It flows to the tank 102 or flows to the electrolyzer 103 via the ion exchange resin filter 107. At this time, the remaining raw water cannot pass through the reverse osmosis membrane filter 101 and is discharged to the outside through the drainage tube 109. The sediment filter removes rust, sand, dust and the like from water, and the carbon filter removes chlorine compounds, thin pigments, odors and the like from the water.

  Mineral is added to the pure water from the reverse osmosis membrane filter 101 to the cold water tank 102 by the ore filter 105 in the middle. Thereby, the pure water to which the mineral is added can be stored in the cold water tank 102. The cold water tank 102 is provided with a cooler 110 and a cold water thermostat 111 so that the pure water in the cold water tank 102 can be cooled and held at a predetermined temperature.

  On the other hand, the pure water from the reverse osmosis membrane filter 101 to the electrolyzer 103 is converted into ultrapure water by removing calcium, carbon dioxide gas and residual chlorine by the ion exchange resin filter 107 on the way, and then enters the electrolyzer 103. Inflow. The electrolyzer 103 electrolyzes ultrapure water from the ion exchange resin filter 107 to generate hydrogen gas and oxygen gas. The hydrogen is supplied to the circulation pump 104 via the carbon air filter 108. On the other hand, the oxygen is delivered to the outside by an oxygen delivery fan 112. The pure water from which hydrogen gas and oxygen gas have been taken out by the electrolyzer 103 is drained to the outside through the drain valve 115.

  The circulation pump 104 has a gas inlet 104 a connected to the carbon air filter 108 and a water inlet 104 b connected to the cold water tank 102. When the circulation pump 104 is driven, the gas suction port 104 a sucks hydrogen gas from the carbon air filter 108 and the water suction port 104 b sucks pure water from the cold water tank 102. And the said hydrogen gas and pure water are mixed within the circulation pump 104, and dissolved hydrogen water is produced | generated. After this dissolved hydrogen water is discharged from the circulation pump 104, it passes through the bubble miniaturization filter 113 and flows into the cold water tank 102.

  Therefore, the electrolytic water purifier keeps driving the circulation pump 104 to store dissolved hydrogen water having a high hydrogen concentration in the cold water tank 102, and opens the on-off valve 114 when necessary. Dissolved hydrogen water can be provided to the user.

JP 2010-207691 A

  However, in the electrolytic water purifier, only a part of the raw water passes through the reverse osmosis membrane filter 101, so that a small amount of pure water goes to the cold water tank 102 and the electrolyzer 103. Therefore, there is a problem that the generation efficiency of the dissolved hydrogen water is low.

  In addition, since the dissolved hydrogen water is generated using only the pure water that has passed through the reverse osmosis membrane filter 101, the ore filter 105 is essential. In other words, unless the pure water is treated with the ore filter 105, dissolved hydrogen water containing minerals cannot be obtained. Therefore, there is a problem that the number of filters of the electrolytic water purifier increases and the manufacturing cost of the electrolytic water purifier increases.

  Then, the subject of this invention is providing the dissolved hydrogen water production | generation apparatus which can make the production | generation efficiency of dissolved hydrogen water high, and can prevent the raise of manufacturing cost.

  FIG. 6 is a diagram created by omitting a part of FIG. 3 of Japanese Patent Application Laid-Open No. 2010-207691 in order to facilitate the explanation of the problem of the present invention.

In order to solve the above problems, the dissolved hydrogen water generating apparatus of the present invention,
Raw water supply section;
Tap water containing minerals is supplied from the raw water supply section, and purified water and purified water are supplied from this tap water.
A reverse osmosis membrane for producing concentrated water separated from the
An electrolysis unit for supplying the purified water generated by the reverse osmosis membrane and electrolyzing the purified water to generate hydrogen gas; and
The concentrated water generated in the reverse osmosis membrane and the hydrogen gas generated in the electrolysis unit or water containing the hydrogen gas are supplied, and the purified water and the purified water in the electrolysis unit are supplied. The hydrogen gas generated by electrolyzing the water or the water containing the hydrogen gas is mixed to produce dissolved hydrogen water.

  According to the said structure, the said reverse osmosis membrane produces | generates purified water and concentrated water using the raw | natural water from a raw | natural water supply part. At this time, the amount of purified water produced is smaller than the amount of concentrated water produced. In other words, the amount of concentrated water produced is greater than the amount of purified water produced. This large amount of concentrated water is supplied to the mixing section. Meanwhile, the purified water is supplied to the electrolysis unit and electrolyzed. Hydrogen gas generated by this electrolysis or water containing it is supplied to the mixing section. And the said mixing part mixes the hydrogen gas from an electrolysis part or the water containing this, and a lot of concentrated water from a reverse osmosis membrane, and produces | generates dissolved hydrogen water. Therefore, the dissolved hydrogen water can be generated with high efficiency.

  Moreover, since the said concentrated water contains the mineral, the dissolved hydrogen water produced | generated from this concentrated water also contains a mineral. Therefore, for example, an ore filter for adding minerals to the dissolved hydrogen water is unnecessary, and an increase in manufacturing cost can be prevented.

  Moreover, since the purified water supplied to the said electrolysis part is a small amount, the amount of unnecessary water which becomes unnecessary when hydrogen gas is taken out by the electrolysis part can be reduced.

In the dissolved hydrogen water generator of one embodiment,
The mixing unit is a gas-liquid mixing device that mixes the concentrated water generated in the reverse osmosis membrane and the hydrogen gas generated in the electrolysis unit.

  According to the above embodiment, the mixing unit is a gas-liquid mixing device that mixes the concentrated water generated in the reverse osmosis membrane and the hydrogen gas generated in the electrolysis unit. And can be sufficiently dissolved.

In the dissolved hydrogen water generator of one embodiment,
The mixing unit is a mixing valve that mixes the concentrated water generated in the reverse osmosis membrane and water containing the hydrogen gas generated in the electrolysis unit.

  According to the above embodiment, the mixing unit is a mixing valve that mixes the concentrated water generated in the reverse osmosis membrane and the water containing hydrogen gas generated in the electrolysis unit. Easy to generate.

  According to the dissolved hydrogen water generating apparatus of the present invention, the reverse osmosis membrane generates a large amount of concentrated water, and the large amount of concentrated water and hydrogen gas or water containing the same are mixed in the mixing section to Since it produces | generates, the production | generation efficiency of dissolved hydrogen water can be improved.

  In addition, since the concentrated water contains minerals, the dissolved hydrogen water generated using this concentrated water also contains minerals, and thus, for example, an ore filter for adding minerals to the dissolved hydrogen water is not necessary, Increase in cost can be prevented.

  In addition, the amount of purified water produced by the reverse osmosis membrane is small, and since this small amount of purified water is supplied to the electrolysis unit, the amount of unnecessary water that becomes unnecessary when hydrogen gas is taken out by the electrolysis unit is reduced. be able to.

FIG. 1 is a schematic configuration diagram of a main part of the dissolved hydrogen water generator according to the first embodiment of the present invention. FIG. 2 is a schematic cross-sectional view of the electrolysis apparatus of the first embodiment. FIG. 3 is a schematic cross-sectional view of the gas dissolving apparatus of the first embodiment. FIG. 4 is a schematic configuration diagram of a main part of the dissolved hydrogen water generator according to the second embodiment of the present invention. FIG. 5 is a schematic cross-sectional view of the electrolysis apparatus of the second embodiment. FIG. 6 is a schematic configuration diagram of a main part of a conventional dissolved hydrogen water generator.

  Hereinafter, the dissolved hydrogen water production | generation apparatus of this invention is demonstrated in detail by embodiment of illustration.

[First Embodiment]
In FIG. 1, the structure of the principal part of the dissolved hydrogen water generating apparatus of 1st Embodiment of this invention is shown typically.

  The dissolved hydrogen water generator includes a raw water supply valve 1 as an example of a raw water supply unit, a reverse osmosis membrane 2, an electrolysis device 3 as an example of an electrolysis unit, and a gas dissolving device as an example of a gas-liquid mixing device. 4, a water discharge valve 5, and a drain valve 6.

  The raw water supply valve 1 is an electromagnetic valve that is connected to a water pipe and controls the flow of tap water as an example of raw water. More specifically, a control device (not shown) opens or closes the raw water supply valve 1 according to a user operation or the like.

  The reverse osmosis membrane 2 has, for example, pores of about 2 nm or less and allows water molecules to pass therethrough but hardly allows impurities other than water such as ions and salts to pass through. The reverse osmosis membrane 2 processes tap water flowing from the raw water supply valve 1 to generate a small amount of purified water and a large amount of concentrated water. The purified water is supplied to the electrolysis device 3, while the concentrated water is supplied to the gas dissolving device 4. The concentrated water contains minerals such as calcium, phosphorus and potassium in a concentrated form.

  The gas dissolving device 4 mixes a large amount of concentrated water from the reverse osmosis membrane 2 with hydrogen gas from the electrolysis device 3 to generate dissolved hydrogen water.

  The water discharge valve 5 is an electromagnetic valve to which dissolved hydrogen water generated by the gas dissolving device 4 is supplied. When the water discharge valve 5 is opened, the dissolved hydrogen water is discharged to the outside. The opening / closing control of the water discharge valve 5 is performed by the control device.

  The drain valve 6 is an electromagnetic valve to which unnecessary water that has become unnecessary after hydrogen gas is taken out in the electrolysis section is supplied. By opening the drain valve 6, the unnecessary water is drained to the outside. The opening / closing control of the drain valve 6 is also performed by the control device.

  Although not shown, a pump for causing reverse osmosis is provided between the raw water supply valve 1 and the reverse osmosis membrane 2.

  In FIG. 2, the cross section of the said electrolysis apparatus 3 is shown typically.

  The electrolyzer 3 includes a water storage tank 31, a cathode 32 provided on the inner wall of one end of the water storage tank 31, and an anode 33 provided on the inner wall of the other end of the water storage tank 31. ing. The upper space in the water storage tank 31 is divided into two spaces by a partition wall 34. Of the upper space, one space communicates with the exhaust pipe 72 and the other space communicates with the outside via the through hole 35. The water storage tank 31 is connected to the reverse osmosis membrane 2 via a purified water supply pipe 71 so that the purified water generated by the reverse osmosis membrane 2 flows into the water storage tank 31 through the purified water supply pipe 71. It has become. The purified water in the water storage tank 31 is electrolyzed by energization of the cathode 32 and the anode 33, and hydrogen gas is generated in the vicinity of the cathode 32. This hydrogen gas is supplied to the gas dissolving device 4 through the exhaust pipe 72. Further, during the electrolysis of the purified water, oxygen gas is generated in the vicinity of the anode 33, and this oxygen gas is exhausted out of the water storage tank 31 through the through hole 35. Unnecessary water that has become unnecessary due to the extraction of hydrogen gas in the water storage tank 31 is sent to the drain valve 6 through the drain pipe 73.

  Although not shown, the through hole 35 is covered with a filter so that foreign matter such as external dust does not enter the water storage tank 31 from the through hole 35.

  FIG. 3 schematically shows a cross section of the gas dissolving device 4.

  The gas dissolving device 4 has a water storage tank 41, and the concentrated water generated by the reverse osmosis membrane 2 flows through the concentrated water supply pipe 74 and flows into the water storage tank 41. An end of the exhaust pipe 72 on the gas dissolving device 4 side is inserted into the water storage tank 41. A ceramic porous body 42 is connected to the end of the exhaust pipe 72 on the gas dissolving device 4 side. Dissolved hydrogen water is obtained by the hydrogen gas released from the micropores of the porous body 42 being dissolved in the concentrated water. This dissolved hydrogen water is sent to the water discharge valve 5 through the water discharge pipe 75.

  According to the dissolved hydrogen water generating apparatus having the above-described configuration, tap water is supplied from the raw water supply valve 1 to the reverse osmosis membrane 2 when the raw water supply valve 1 is opened. Then, the tap water is processed by the reverse osmosis membrane 2, and a small amount of purified water and a large amount of concentrated water are generated. More specifically, if the amount of tap water supplied from the raw water supply valve 1 to the reverse osmosis membrane 2 is L, the amount of purified water produced corresponds to about 10% of the above L, while the amount of concentrated water produced is It corresponds to about 90% of the above L. Therefore, the concentrated water produced by the reverse osmosis membrane 2 and the hydrogen gas produced by the electrolysis device 3 are mixed by the gas dissolving device 4 to produce dissolved hydrogen water in an amount of about 90% of the L. can do. Therefore, the production efficiency of the dissolved hydrogen water can be increased.

  Moreover, since the said dissolved hydrogen water is produced | generated by mixing hydrogen gas with concentrated water, it contains minerals, such as calcium, phosphorus, and potassium. Therefore, since it is not necessary to mount an ore filter, for example, in the dissolved hydrogen water generator, an increase in manufacturing cost can be prevented.

  Moreover, since a small amount of purified water is supplied to the electrolyzer 3, the amount of unnecessary water that is unnecessary when hydrogen gas is taken out by the electrolyzer 3 can be reduced. That is, unnecessary water sent from the electrolyzer 3 to the drain valve 6 can be reduced.

  In addition, when inexpensive electrodes are used as the cathode 32 and the anode 33 of the electrolysis apparatus 3, there is a possibility that the material of the electrodes dissolves into purified water, but the electrolysis apparatus 3 is supplied to the gas dissolution apparatus 4. Only hydrogen gas. As a result, the dissolved hydrogen water can be prevented from containing the material. Therefore, it is possible to reduce the manufacturing cost by using inexpensive electrodes as the cathode 32 and the anode 33 of the electrolysis apparatus 3.

  Further, since the gas dissolving device 4 mixes the concentrated water generated in the reverse osmosis membrane 2 and the hydrogen gas generated in the electrolysis section, the hydrogen gas can be easily and sufficiently dissolved in the concentrated water. .

  In the said 1st Embodiment, although the raw | natural water supply valve 1 was connected to the water pipe, you may connect to the piping through which the liquid which can be utilized as raw | natural water flows.

  Instead of the raw water supply valve 1, the drain valve 6 and the water discharge valve 5 of the first embodiment, a manual / mechanical valve may be used.

  In the first embodiment, the hydrogen gas was mixed while being pressed into the concentrated water through the micropores of the porous body 42. However, the hydrogen gas was sucked into the vortex that swirled the concentrated water and became negative pressure. Hydrogen gas may be crushed and mixed in the concentrated water.

  In the first embodiment, a pump is provided between the raw water supply valve 1 and the reverse osmosis membrane 2. However, instead of the reverse osmosis membrane 2, a reverse osmosis membrane that causes reverse osmosis only by water pressure is used. May not be provided.

[Second Embodiment]
In FIG. 4, the structure of the principal part of the dissolved hydrogen water generating apparatus of 2nd Embodiment of this invention is shown typically. Also, in FIG. 4, the same reference numerals as those in FIG. 1 are assigned to the same components as those in the first embodiment shown in FIG.

  The dissolved hydrogen water generator includes a raw water supply valve 1 as an example of a raw water supply unit, a reverse osmosis membrane 2, an electrolysis device 203 as an example of an electrolysis unit, a mixing valve 204, a water discharge valve 5, and a drainage water. And a valve 6.

  The mixing valve 204 is an electromagnetic valve having two water inlet ports and one water outlet port. Of these two water inlet ports, one is connected to the reverse osmosis membrane 2 and the other is connected to the electrolyzer 203. As a result, a large amount of concentrated water generated by the reverse osmosis membrane 2 and cathode water generated by the electrolysis device 203 are supplied to the mixing valve 204 and mixed to obtain dissolved hydrogen water. ing. The dissolved hydrogen water is sent to the water discharge valve 5 from the water discharge port. In addition, the opening / closing control of the water inlet port and the water outlet port of the mixing valve 204 is performed by a control device (not shown) like the raw water supply valve 1.

  FIG. 5 schematically shows a cross section of the electrolysis apparatus 203.

  The electrolyzer 203 has a water storage tank 231, a cathode 232 provided on the inner wall of one end of the water storage tank 231, and an anode 233 provided on the inner wall of the other end of the water storage tank 231. ing. A diaphragm 236 is provided between the cathode 232 and the anode 233. The diaphragm 236 includes a cation exchange membrane 237 and an anion exchange membrane 238 facing the cation exchange membrane 237. Further, the upper two portions of the water storage tank 231 are connected to the reverse osmosis membrane 2 through a purified water supply pipe 271. The purified water generated by the reverse osmosis membrane 2 flows through the purified water supply pipe 271 and flows between the cathode 232 and the cation exchange membrane 237 and between the anode 233 and the anion exchange membrane 238. Yes. The purified water between them is electrolyzed by energizing the cathode 232 and the anode 233. At this time, hydrogen gas and hydroxide ions are generated in the vicinity of the cathode 232, while oxygen gas and hydrogen ions are generated in the vicinity of the anode 233. As a result, the purified water between the cathode 232 and the cation exchange membrane 237 contains hydrogen gas, becomes cathode water, and is sent to the mixing valve 204 via the cathode side drain pipe 272. On the other hand, the purified water between the anode 233 and the anion exchange membrane 238 contains oxygen gas to become cathode water and is sent to the drain valve 6 through the anode side drain pipe 273.

  According to the dissolved hydrogen water generating apparatus having the above-described configuration, tap water is supplied from the raw water supply valve 1 to the reverse osmosis membrane 2 when the raw water supply valve 1 is opened. Then, the tap water is processed by the reverse osmosis membrane 2, and a small amount of purified water and a large amount of concentrated water are generated. More specifically, if the amount of tap water supplied from the raw water supply valve 1 to the reverse osmosis membrane 2 is L, the amount of purified water produced corresponds to about 10% of the above L, while the amount of concentrated water produced is It corresponds to about 90% of the above L. A part of this small amount of purified water becomes cathodic water in the electrolyzer 203, but the amount of cathodic water produced is about 7% of the above L. Therefore, a large amount of concentrated water produced by the reverse osmosis membrane 2 and cathode water produced by the electrolyzer 203 are mixed by the mixing valve 204, so that about 97% of the amount of dissolved hydrogen water of L is obtained. Can be generated. Therefore, the production efficiency of the dissolved hydrogen water can be extremely increased.

  Moreover, since the said dissolved hydrogen water is produced | generated by mixing concentrated water and cathode water, it contains minerals, such as calcium, phosphorus, and potassium. Therefore, since it is not necessary to mount an ore filter, for example, in the dissolved hydrogen water generator, an increase in manufacturing cost can be prevented.

  The anode water produced by the electrolyzer 203 is sent to the drain valve 6 as unnecessary water, but the amount of anode water produced is only about 3% of L. Therefore, the unnecessary water sent from the electrolyzer 203 to the drain valve 6 can be reduced.

  Further, since the mixing valve 204 mixes the concentrated water generated by the reverse osmosis membrane 2 and the cathode water generated by the electrolysis apparatus 203, a large amount of dissolved hydrogen water can be easily generated.

  Further, by electrolyzing the purified water in the water storage tank 231, the purified water is dissociated between the anion exchange membrane 238 and the cation exchange membrane 237 to generate hydrogen ions and hydroxide ions. The hydrogen ions generated by the dissociation pass through only the cation exchange membrane 237 without passing through the anion exchange membrane 238 and move to the cathode 232 side, while the hydroxide ions generated by the dissociation pass through the cation exchange. It moves to the anode 233 side only through the anion exchange membrane 238 without passing through the membrane 237. As a result, the hydroxide ions generated in the vicinity of the cathode 232 are combined with the hydrogen ions moved to the cathode 232 side through the cation exchange membrane 237 and neutralized, so that the pH of the cathode water is reduced. Even if the amount of generation of hydrogen and hydroxide ions in the vicinity of the cathode 232 by electrolysis is increased by increasing the degree of electrolysis in order to improve the concentration of dissolved hydrogen in the cathode water, the rise of the cathode water is suppressed. It is possible to prevent the pH value from becoming excessively high. Therefore, it can avoid that the dissolved hydrogen water obtained from the said cathode water and concentrated water becomes incompatible as drinking water. That is, even if the dissolved hydrogen concentration generated by the mixing valve 204 is increased, the dissolved hydrogen water discharged from the mixing valve 204 can be used as drinking water.

  In the said 2nd Embodiment, although the raw | natural water supply valve 1 is connected to the water pipe similarly to the said 1st Embodiment, you may connect the raw | natural water supply valve 1 to the piping through which the liquid which can be utilized as raw | natural water flows. .

  Instead of the raw water supply valve 1, the mixing valve 204, the drain valve 6 and the water discharge valve 5 of the second embodiment, a manual / mechanical valve may be used.

  In the second embodiment, similarly to the first embodiment, a pump for causing reverse osmosis may be provided between the raw water supply valve 1 and the reverse osmosis membrane 2, or the pump is not provided. You may do it.

  Although specific embodiments of the present invention have been described, the present invention is not limited to the first and second embodiments, and can be implemented with various modifications within the scope of the present invention.

DESCRIPTION OF SYMBOLS 1 ... Raw water supply valve 2 ... Reverse osmosis membrane 3,203 ... Electrolyzer 4 ... Gas dissolving device 5 ... Drain valve 6 ... Drain valve 31,41,231 ... Water tank 32,232 ... Cathode 33,233 ... Anode 34 ... Partition Wall 35 ... Through hole 204 ... Mixing valve 236 ... Septum 237 ... Cation exchange membrane 238 ... Anion exchange membrane

Claims (3)

Raw water supply section;
A reverse osmosis membrane that generates mineral water containing minerals from the raw water supply unit and generates purified water and purified water separated from the tap water ;
An electrolysis unit for supplying the purified water generated by the reverse osmosis membrane and electrolyzing the purified water to generate hydrogen gas; and
The concentrated water generated in the reverse osmosis membrane and the hydrogen gas generated in the electrolysis unit or water containing the hydrogen gas are supplied, and the purified water and the purified water in the electrolysis unit are supplied. A dissolved hydrogen water generator comprising: the hydrogen gas generated by electrolyzing the water, or a mixing unit that mixes water containing the hydrogen gas to generate dissolved hydrogen water. In the dissolved hydrogen water generating device according to claim 1,
The dissolved hydrogen water generating apparatus, wherein the mixing section is a gas-liquid mixing apparatus that mixes the concentrated water generated in the reverse osmosis membrane and the hydrogen gas generated in the electrolysis section. In the dissolved hydrogen water generating device according to claim 1,
The said mixing part is a mixing valve which mixes the said concentrated water produced | generated by the said reverse osmosis membrane, and the water containing the said hydrogen gas generated in the said electrolysis part, The dissolved hydrogen water production | generation apparatus characterized by the above-mentioned.

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